[Dynamite] another us trip...

[Guy Slater]

On Sun, 9 Apr 2000, Ian Holmes wrote:

> The main problem with using idlstubs right now is that it uses a "has-a"
> inheritance model, and it would be nice to switch this over to a GTK-style
> "is-a" inheritance model where inherited data members go at the front of
> the struct, as we discussed. I think I have a way to do this, but I also
> think it won't be too much trouble to change, as long as we don't write
> *too* much code using the "has-a" model.
>
> So I will take responsibility for doing the changes. If anyone really
> can't stand the idea of using an IDL-to-C mapping that is changing under
> their feet in this way, then speak up now.

I reckon this is going to be unavoidable,
and I don't think it'll be too much of a problem,
so long as we still have corresponding IDL at the end,

> We *could* wait until I change
> idlstubs, but again, it is an undesirable bottleneck.
> Alternatively, we could just stick with the "has-a" model.
> (If anyone needs a review of our inheritance-model discussion then
> speak up; I'm assuming no-one does, cos I'm lazy and I hate typing.)

Hate typing ?  Nah.

I was just coming round to has-a.
Didn't you (ian) say is-a would barf with multiple inheritance ?

What are the pros and cons ?
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